冠肩鳃鳚 Omobranchus uekii
它没有表冠护肩 crown guards or shoulders
肩台瓷金瓷冠 metal-ceramic crowns with shoulder porcelain
·2,447,543篇论文数据，部分数据来源于NoteExpress
分析全钢载重子午线轮胎胎冠、胎侧、胎肩和胎圈部位外观明疤的产生原因，并提出解决措施。
The causes for the appearance defects on crown, shoulder and bead areas of BTR tire were analyzed and their countermeasures were proposed.
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